Yokogawa ADV557-S00 | Digital Output Module Rave reviews

Overview
The Yokogawa ADV557-S00 is a 32-channel isolated digital output module used in Yokogawa DCS systems (such as CENTUM VP). It provides 24 V DC transistor outputs for driving relays, solenoids, indicators, and other field devices with high reliability and signal isolation.

General Information
Part Number: ADV557-S00
Manufacturer: Yokogawa
Series: ADV Module Series
Type: Digital Output Module (Isolated)
Mounting: Rack-slot installation in Yokogawa I/O rack
Brand / Country of Origin: Yokogawa / Japan

Power Specifications
Supply Voltage: 20.4 to 26.4 V DC (external power supply)
Load Voltage: 24 V DC, up to 50 mA per channel
Output Format: Current sink
Maximum Load Current: 100 mA per channel (at 26.4 V)
Leak Current (OFF): ≤ 0.1 mA
Withstanding Voltage: 2 kV AC between outputs and system; 500 V AC between every 16 channels

Communication & Interface
Interface Type: Rack backplane plus pressure-clamp terminal connection
Channels: 32 isolated output channels
Functions: Status output (on/off), pulse output, time-proportional output
Response Time: 3 ms or less for status output; 10 ms or less for mixed status/pulse outputs
Pulse Width Range: 8 ms to 7200 s, resolution 8 ms

Environmental
Operating Temperature: 0 to +55 °C
Humidity: 5% to 95% RH, non-condensing
Protection Rating: Designed for industrial DCS rack environments

Dimensions & Weight
Dimensions (W × H × D): 130 × 107.5 × 32.8 mm
Weight: ~ 0.3 kg

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